England's Dele Alli could face disciplinary action after the midfielder was caught on camera making an obscene gesture during his side's World Cup qualifier against Slovakia at Wembley.
The Tottenham Hotspur player raised his middle finger during the 77th minute of Monday's game at Wembley, which England won 2-1, and there were claims it was directed at French referee Clement Turpin.
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Alli said he was having "a joke" with team-mate Kyle Walker after he was caught on camera raising his middle finger.
"Just to clarify, the gesture tonight was a joke between me and my good friend Kyle Walker!" Alli wrote on Twitter after the game.
"Apologies for any offence caused! Great win 2nite."
Football's governing body Fifa says it is awaiting match reports from officials, which it should receive by the end of the week, before deciding whether to open any disciplinary proceedings.
It initially appeared that Alli gestured towards Turpin, with whom he also had words when he was substituted in the 93rd minute.
According to reports from the Independent, England manager Gareth Southgate played down the incident, saying Alli had been sharing a joke with team-mate Kyle Walker, but if FIFA decide to investigate, the 21-year-old could face up a three-game competitive ban - that would take effect in the start of the World Cup if England get there.
"I've not seen it, but I've been made aware of it," Southgate said in his post-match press conference.
"Kyle and Dele were mucking about and Dele's made a gesture towards Kyle. I don't know what the angle picked up by the camera is, so I don't know if that is clear (who it was aimed at).
"The pair of them have a strange way of communicating! But that's what they've said when it's been raised."
The incident happened just after Dele had been tackled aggressively by Martin Skrtel, only for referee Clement Turpin to wave play on, as per the Independent.
It was not clear from footage of the match who Alli had aimed his gesture at.
Alli's temperament has previously been questioned.
He missed the Premier League title run-in in 2015-16 after punching West Bromwich Albion's Claudio Yacob, and was sent off for a dangerous foul on Gent's Brecht Dejaegere during a Europa League game last February, as reported by the BBC.
